mirror of https://github.com/rust-lang/rust
35 lines
1.5 KiB
Plaintext
35 lines
1.5 KiB
Plaintext
error: lifetime may not live long enough
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--> $DIR/variance-use-invariant-struct-1.rs:10:5
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LL | fn foo<'min,'max>(v: SomeStruct<&'max ()>)
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| ---- ---- lifetime `'max` defined here
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| lifetime `'min` defined here
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...
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LL | v
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| ^ function was supposed to return data with lifetime `'max` but it is returning data with lifetime `'min`
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= help: consider adding the following bound: `'min: 'max`
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= note: requirement occurs because of the type `SomeStruct<&()>`, which makes the generic argument `&()` invariant
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= note: the struct `SomeStruct<T>` is invariant over the parameter `T`
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= help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
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error: lifetime may not live long enough
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--> $DIR/variance-use-invariant-struct-1.rs:18:5
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LL | fn bar<'min,'max>(v: SomeStruct<&'min ()>)
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| ---- ---- lifetime `'max` defined here
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| lifetime `'min` defined here
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...
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LL | v
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| ^ function was supposed to return data with lifetime `'max` but it is returning data with lifetime `'min`
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= help: consider adding the following bound: `'min: 'max`
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= note: requirement occurs because of the type `SomeStruct<&()>`, which makes the generic argument `&()` invariant
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= note: the struct `SomeStruct<T>` is invariant over the parameter `T`
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= help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
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error: aborting due to 2 previous errors
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